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# Copyright 2020 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
from transformers import (
MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING,
TF_MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING,
SummarizationPipeline,
TFPreTrainedModel,
pipeline,
)
from transformers.testing_utils import get_gpu_count, is_pipeline_test, require_tf, require_torch, slow, torch_device
from transformers.tokenization_utils import TruncationStrategy
from .test_pipelines_common import ANY
DEFAULT_DEVICE_NUM = -1 if torch_device == "cpu" else 0
@is_pipeline_test
class SummarizationPipelineTests(unittest.TestCase):
model_mapping = MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING
tf_model_mapping = TF_MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING
def get_test_pipeline(self, model, tokenizer, processor):
summarizer = SummarizationPipeline(model=model, tokenizer=tokenizer)
return summarizer, ["(CNN)The Palestinian Authority officially became", "Some other text"]
def run_pipeline_test(self, summarizer, _):
model = summarizer.model
outputs = summarizer("(CNN)The Palestinian Authority officially became")
self.assertEqual(outputs, [{"summary_text": ANY(str)}])
outputs = summarizer(
"(CNN)The Palestinian Authority officially became ",
num_beams=2,
min_length=2,
max_length=5,
)
self.assertEqual(outputs, [{"summary_text": ANY(str)}])
# Some models (Switch Transformers, LED, T5, LongT5, etc) can handle long sequences.
model_can_handle_longer_seq = [
"SwitchTransformersConfig",
"T5Config",
"LongT5Config",
"LEDConfig",
"PegasusXConfig",
"FSMTConfig",
"M2M100Config",
"ProphetNetConfig", # positional embeddings up to a fixed maximum size (otherwise clamping the values)
]
if model.config.__class__.__name__ not in model_can_handle_longer_seq:
# Too long and exception is expected.
# For TF models, if the weights are initialized in GPU context, we won't get expected index error from
# the embedding layer.
if not (
isinstance(model, TFPreTrainedModel)
and get_gpu_count() > 0
and len(summarizer.model.trainable_weights) > 0
):
with self.assertRaises(Exception):
outputs = summarizer("This " * 1000)
outputs = summarizer("This " * 1000, truncation=TruncationStrategy.ONLY_FIRST)
@require_torch
def test_small_model_pt(self):
summarizer = pipeline(task="summarization", model="sshleifer/tiny-mbart", framework="pt")
outputs = summarizer("This is a small test")
self.assertEqual(
outputs,
[
{
"summary_text": "เข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไป"
}
],
)
@require_tf
def test_small_model_tf(self):
summarizer = pipeline(task="summarization", model="sshleifer/tiny-mbart", framework="tf")
outputs = summarizer("This is a small test")
self.assertEqual(
outputs,
[
{
"summary_text": "เข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไปเข้าไป"
}
],
)
@require_torch
@slow
def test_integration_torch_summarization(self):
summarizer = pipeline(task="summarization", device=DEFAULT_DEVICE_NUM)
cnn_article = (
" (CNN)The Palestinian Authority officially became the 123rd member of the International Criminal Court on"
" Wednesday, a step that gives the court jurisdiction over alleged crimes in Palestinian territories. The"
" formal accession was marked with a ceremony at The Hague, in the Netherlands, where the court is based."
" The Palestinians signed the ICC's founding Rome Statute in January, when they also accepted its"
' jurisdiction over alleged crimes committed "in the occupied Palestinian territory, including East'
' Jerusalem, since June 13, 2014." Later that month, the ICC opened a preliminary examination into the'
" situation in Palestinian territories, paving the way for possible war crimes investigations against"
" Israelis. As members of the court, Palestinians may be subject to counter-charges as well. Israel and"
" the United States, neither of which is an ICC member, opposed the Palestinians' efforts to join the"
" body. But Palestinian Foreign Minister Riad al-Malki, speaking at Wednesday's ceremony, said it was a"
' move toward greater justice. "As Palestine formally becomes a State Party to the Rome Statute today, the'
' world is also a step closer to ending a long era of impunity and injustice," he said, according to an'
' ICC news release. "Indeed, today brings us closer to our shared goals of justice and peace." Judge'
" Kuniko Ozaki, a vice president of the ICC, said acceding to the treaty was just the first step for the"
' Palestinians. "As the Rome Statute today enters into force for the State of Palestine, Palestine'
" acquires all the rights as well as responsibilities that come with being a State Party to the Statute."
' These are substantive commitments, which cannot be taken lightly," she said. Rights group Human Rights'
' Watch welcomed the development. "Governments seeking to penalize Palestine for joining the ICC should'
" immediately end their pressure, and countries that support universal acceptance of the court's treaty"
' should speak out to welcome its membership," said Balkees Jarrah, international justice counsel for the'
" group. \"What's objectionable is the attempts to undermine international justice, not Palestine's"
' decision to join a treaty to which over 100 countries around the world are members." In January, when'
" the preliminary ICC examination was opened, Israeli Prime Minister Benjamin Netanyahu described it as an"
' outrage, saying the court was overstepping its boundaries. The United States also said it "strongly"'
" disagreed with the court's decision. \"As we have said repeatedly, we do not believe that Palestine is a"
' state and therefore we do not believe that it is eligible to join the ICC," the State Department said in'
' a statement. It urged the warring sides to resolve their differences through direct negotiations. "We'
' will continue to oppose actions against Israel at the ICC as counterproductive to the cause of peace,"'
" it said. But the ICC begs to differ with the definition of a state for its purposes and refers to the"
' territories as "Palestine." While a preliminary examination is not a formal investigation, it allows the'
" court to review evidence and determine whether to investigate suspects on both sides. Prosecutor Fatou"
' Bensouda said her office would "conduct its analysis in full independence and impartiality." The war'
" between Israel and Hamas militants in Gaza last summer left more than 2,000 people dead. The inquiry"
" will include alleged war crimes committed since June. The International Criminal Court was set up in"
" 2002 to prosecute genocide, crimes against humanity and war crimes. CNN's Vasco Cotovio, Kareem Khadder"
" and Faith Karimi contributed to this report."
)
expected_cnn_summary = (
" The Palestinian Authority becomes the 123rd member of the International Criminal Court . The move gives"
" the court jurisdiction over alleged crimes in Palestinian territories . Israel and the United States"
" opposed the Palestinians' efforts to join the court . Rights group Human Rights Watch welcomes the move,"
" says governments seeking to penalize Palestine should end pressure ."
)
result = summarizer(cnn_article)
self.assertEqual(result[0]["summary_text"], expected_cnn_summary)
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